Russian demantoid garnet (horsetail recognized) 4.2mm/0.319ct loose
Sale price¥69,800
[Mr. KEN] Topaz from Mexico 1.50ct loose
Sale price¥15,800
Orange zircon 1.50ct loose
Sale price¥17,800
《Yurakucho Marui 2024112 takeout》Orange zircon 1.294ct loose stone
Sale price¥14,800
Blue spinel 0.242ct loose
Sale price¥6,980
[Mr. Sanjay] Bicolor tourmaline 1.410ct loose
Sale price¥29,800
[Mr. Sanjay] Bicolor tourmaline 0.980ct loose
Sale price¥19,800
[On sale from 10/2 at 10pm] Bicolor tourmaline 0.980ct loose stone
Sale price¥14,800
Bicolor tourmaline 0.750ct loose
Sale price¥15,800
[Mr. Sanjay] Bicolor tourmaline 0.710ct loose
Sale price¥11,000
Bicolor tourmaline 0.610ct loose
Sale price¥14,800
[Mr. Sanjay] YAG (yttrium aluminum garnet) 1.380ct loose
Sale price¥9,800
Pink tourmaline 0.780ct loose
Sale price¥8,800
Pink tourmaline 0.920ct loose
Sale price¥9,800
[On sale 10/2 at 10pm] Pink tourmaline 1.040ct loose stone
Sale price¥9,800
[Mr. Sanjay] Bicolor tourmaline 0.460ct loose
Sale price¥9,800
[On sale from 10/2 at 10pm] Bicolor tourmaline 1.010ct loose stone
Sale price¥29,800
[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose
Sale price¥9,800
[Cat cut] Amazon green opal 6.5mm/0.580ct loose
Sale price¥9,800
Colombian trapiche emerald 0.486ct loose
Sale price¥19,800
Red beryl 0.181ct loose
Sale price¥35,800
Red beryl 0.155ct loose
Sale price¥29,800
Red beryl 0.151ct loose
Sale price¥29,800
Conch pearl 0.390ct loose (pink white color)
Sale price¥19,800
Pink tourmaline 0.157ct loose
Sale price¥6,980
Sealight (Shealight) 1.940ct loose
Sale price¥19,800
[KEN] Green tourmaline 0.840ct loose (pixel cut)
Sale price¥15,800
Zimbabwean Euclase 0.960ct rough stone (bicolor Euclase)
Sale price¥49,800
[Mr. KEN] Green Beryl 1.300ct loose
Sale price¥9,800
[KEN] Lavender tanzanite 1.620ct loose
Sale price¥15,800
Red spinel 0.752ct loose (sugar loaf cut)
Sale price¥29,800
Pink zircon 0.930ct loose stone from Yurakucho Marui 2024112
Sale price¥14,800
Colombian Euclase 1.200ct rough stone
Sale price¥25,800
[Mr. KEN] Clinozoisite from Afghanistan 1.810ct loose (phantom cut)
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》【KEN】Zircon 1.860ct loose stone
Sale price¥12,800
[KEN] Topaz 1.680ct loose
Sale price¥22,800
[KEN] Topaz from Mexico 1.66ct loose
Sale price¥18,800
Euclase from Zimbabwe 1.030ct rough stone
Sale price¥39,800
Bicolor sapphire 0.626ct loose
Sale price¥39,800
《Yurakucho Marui 2024112 takeout》Benitoite 0.200ct loose stone
Sale price¥79,800
[KEN] Citrine 1.730ct loose
Sale price¥6,980
[Mr. KEN] Iolite from Tanzania 1.03ct loose
Sale price¥12,800
[Sakura Incut] Purple Spinel 7mm/1.132ct Loose Japanese-German Edition
Sale price¥39,800
Cobalt Garnite 0.216ct Loose Japanese-German Edition
Sale price¥64,800
Musgravite 0.351ct loose Japanese and German
Sale price¥228,000
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.